diff --git a/.github/workflows/book-publish-live.yml b/.github/workflows/book-publish-live.yml
index cac65e6646..eba333caa6 100644
--- a/.github/workflows/book-publish-live.yml
+++ b/.github/workflows/book-publish-live.yml
@@ -184,14 +184,11 @@ on:
           - 'vol1'
           - 'vol2'
         default: 'all'
-      skip_version:
-        description: 'Skip the version bump? When yes, the merge to main, full build (HTML/PDF/EPUB), and gh-pages deploy all run normally, but the doi rewrite, tag creation, release-notes generation, and GitHub Release creation are skipped. Use this for post-release content tweaks where the version should stay at its current value.'
+      site_only:
+        description: 'Website-only deploy? When true, the merge to main, full build (HTML/PDF/EPUB), and gh-pages deploy all run normally, but the DOI rewrite, tag creation, release-notes generation, and GitHub Release creation are skipped. Use this for post-release content tweaks where the version should stay at its current value.'
         required: false
-        type: choice
-        options:
-          - 'no'
-          - 'yes'
-        default: 'no'
+        type: boolean
+        default: false
   workflow_call:
     inputs:
       description:
@@ -233,10 +230,10 @@ on:
         type: string
         required: false
         default: 'all'
-      skip_version:
-        type: string
+      site_only:
+        type: boolean
         required: false
-        default: 'no'
+        default: false
 
 permissions:
   contents: write
@@ -593,7 +590,7 @@ jobs:
           } >> "$GITHUB_OUTPUT"
 
       - name: 🛡️ No-downgrade guard (per-volume)
-        if: inputs.skip_version != 'yes'
+        if: inputs.site_only != 'true'
         env:
           # Step `run:` blocks don't inherit shell variables across steps;
           # surface the per-volume outputs as env so the guard can read them.
@@ -857,7 +854,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     needs: [validate-inputs, pre-flight-checks]
-    if: inputs.confirm == 'PUBLISH' && inputs.testing_mode != 'yes' && inputs.skip_version != 'yes'
+    if: inputs.confirm == 'PUBLISH' && inputs.testing_mode != 'yes' && inputs.site_only != 'true'
 
     steps:
       - name: 📥 Checkout repository
@@ -1081,7 +1078,7 @@ jobs:
     timeout-minutes: 10
     needs: merge-to-main
     # always() guards against the skip cascade that happens when update-version
-    # is skipped (skip_version=yes) and merge-to-main runs under its own
+    # is skipped (site_only=true) and merge-to-main runs under its own
     # always() — without this, GitHub propagates the skip through the chain
     # and the build never runs, leaving the gh-pages deploy stale.
     if: |
@@ -1133,7 +1130,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     needs: [validate-inputs, download-and-deploy-artifacts]
-    if: inputs.confirm == 'PUBLISH' && inputs.testing_mode != 'yes' && inputs.skip_version != 'yes'
+    if: inputs.confirm == 'PUBLISH' && inputs.testing_mode != 'yes' && inputs.site_only != 'true'
 
     steps:
       - name: 📥 Checkout repository
@@ -1713,7 +1710,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     needs: [validate-inputs, download-and-deploy-artifacts]
-    if: inputs.confirm == 'PUBLISH' && inputs.testing_mode != 'yes' && inputs.skip_version != 'yes'
+    if: inputs.confirm == 'PUBLISH' && inputs.testing_mode != 'yes' && inputs.site_only != 'true'
 
     steps:
       - name: 📥 Checkout repository
@@ -1994,7 +1991,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     needs: [validate-inputs, generate-release-notes, create-tag]
-    if: inputs.confirm == 'PUBLISH' && inputs.testing_mode != 'yes' && inputs.skip_version != 'yes'
+    if: inputs.confirm == 'PUBLISH' && inputs.testing_mode != 'yes' && inputs.site_only != 'true'
 
     steps:
       - name: 📥 Checkout repository